> that has taken all the advantage of all the benefits a developed industrial country has to offer
a. He has also given a lot more back to the said country. than he has taken from it, IMO. Imagine what life would be like without Google.
b. Google is a global company, not just a US company
c. I don't believe in the notion of nations or citizenship and don't blame him if he doesn't either and is switching citizenships just for convenience/logistics.